a brand name for a soft, nontoxic modeling compound made in bright colors and marketed for children.
[pley-doun] /ˈpleɪˌdaʊn/ noun, Chiefly Canadian. 1. a play-off.
[plat-n-uh m, plat-nuh m] /ˈplæt n əm, ˈplæt nəm/ noun 1. Chemistry. a heavy, grayish-white, highly malleable and ductile metallic element, resistant to most chemicals, practically unoxidizable except in the presence of bases, and fusible only at extremely high temperatures: used for making chemical and scientific apparatus, as a catalyst in the oxidation of ammonia […]
[plat-n-uh s] /ˈplæt n əs/ adjective, Chemistry. 1. containing bivalent . /ˈplætɪnəs/ adjective 1. of or containing platinum, esp in the divalent state
[plat-n-oid] /ˈplæt nˌɔɪd/ adjective 1. resembling : the platinoid elements. noun 2. any of the metals, as palladium or iridium, with which is commonly associated. 3. an alloy of copper, zinc, and nickel, to which small quantities of such elements as tungsten or aluminum have been added. /ˈplætɪˌnɔɪd/ adjective 1. containing or resembling platinum: a […]